Conn. Elementary School Shooting

Connecticut State Police Lieutenant Paul Vance addresses a press conference on the situation following an elementary school shooting in Newtown, Connecticut, on December 15, 2012.

Conn. School Shooting

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Exterior view of Southside Works Cinema on December 15, 2012 in Pittsburgh, Pennsylvania.

Conn. School Shooting

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Exterior view of Southside Works Cinema on December 15, 2012 in Pittsburgh, Pennsylvania. The U.S. premiere of Tom Cruise's new movie 'Jack Reacher' was scheduled to be held here today.

Conn. School Shooting

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Visitors to the Washington Monument are seen in front of US flags surrounding its base flying at half-staff on December 15, 2012 in Washington.

Conn. School Shooting

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The US flag flies at half-staff above the White House on December 15, 2012 in Washington.

Conn. School Shooting

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In this handout provided by ABC News, shows a 2008 yearbook photo of Adam Lanza, (3R) at an unspecified time and place.

Conn. School Shooting

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Connecticut Chief Medical Examiner H. Wayne Carver II talks to the media and answers questions about the elementary school shooting during a press conference at Treadwell Memorial Park on December 15, 2012 in Newtown, Connecticut.

Conn. School Shooting

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State Police spokesman Lt. J. Paul Vance briefs the media and answers questions about the elementary school shooting before releasing the names of the victims during a press conference at Treadwell Memorial Park on December 15, 2012 in Newtown, Connecticut.

Conn. School Shooting

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In this handout image provided by ABC News, shows Nancy J. Lanza mother of suspected mass shooter Adam Lanza at an unspecified time and place. Twenty six people were shot dead, including twenty children, after a gunman identified as Adam Lanza opened fire at Sandy Hook Elementary School. Lanza also reportedly had committed suicide at the scene. A 28th person, believed to be Nancy Lanza was found dead in a house in town, was also believed to have been shot by Adam Lanza.

Conn. School Shooting

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Connecticut Chief Medical Examiner H. Wayne Carver II talks to the media and answers questions the media about the elementary school shooting during a press conference at Treadwell Memorial Park on December 15, 2012 in Newtown, Connecticut.

Conn. School Shooting

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U.S. President Barack Obama pauses as he makes a statement in response to the elementary school shooting in Connecticut December 14, 2012 at the White House in Washington, DC.

Conn. School Shooting

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U.S. President Barack Obama wipes tears as he makes a statement in response to the elementary school shooting in Connecticut December 14, 2012 at the White House in Washington, DC.

Conn. School Shooting

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An unidentified woman on December 14, 2012 leaves the scene at the aftermath of a school shooting at a Connecticut elementary school that brought police swarming into the leafy neighborhood, while other area schools were put under lock-down, police and local media said.

Conn. School Shooting

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People leave the scene, on December 14, 2012, from the aftermath of a school shooting at a Connecticut elementary school that brought police swarming into the leafy neighborhood, while other area schools were put under lock-down, police and local media said.

Conn. School Shooting

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Police and ambulance, on December 14, 2012, at the scene from the aftermath of a school shooting at a Connecticut elementary school that brought police swarming into the leafy neighborhood, while other area schools were put under lock-down, police and local media said.

Conn. School Shooting

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Police and the press, on December 14, 2012, at the scene from the aftermath of a school shooting at a Connecticut elementary school that brought police swarming into the leafy neighborhood, while other area schools were put under lock-down, police and local media said.

Conn. School Shooting

(Photo Credit: DON EMMERT/AFP/Getty Images)

Two unidentified nuns on December 14, 2012 leave the scene at the aftermath of a school shooting at a Connecticut elementary school that brought police swarming into the leafy neighborhood, while other area schools were put under lock-down, police and local media said.

Conn. School Shooting

(Photo Credit: DON EMMERT/AFP/Getty Images)

Unidentified people on December 14, 2012 stand at the scene at the aftermath of a school shooting at a Connecticut elementary school that brought police swarming into the leafy neighborhood, while other area schools were put under lock-down, police and local media said.

Conn. School Shooting

(Photo Credit: DON EMMERT/AFP/Getty Images)

Police stand with grieving residents following a shooting December 14, 2012 at Sandy Hook Elementary School on December 14, 2012 in Newtown, Connecticut.

Conn. School Shooting

(Photo Credit: DON EMMERT/AFP/Getty Images)

Unidentified people on December 14, 2012 leave the scene at the aftermath of a school shooting at a Connecticut elementary school that brought police swarming into the leafy neighborhood, while other area schools were put under lock-down, police and local media said.

Conn. School Shooting

(Photo Credit: DON EMMERT/AFP/Getty Images)

Residents grieve following a shooting December 14, 2012 at Sandy Hook Elementary School on December 14, 2012 in Newtown, Connecticut.

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(Photo Credit: WCBS-TV)

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Connecticut State Police walk near the scene of an elementary school shooting on December 14, 2012 in Newtown, Connecticut. According to reports, there are more than 20 dead, most children, after a gunman opened fire in at the Sandy Hook Elementary School. The shooter was also killed.